Functional somatic syndromes are defined as physical syndromes without an organic
disease explanation, demonstrable structural changes, or established biochemical …

The term functional implies a disturbance of physiological function rather than anatomical
structure. In clinical usage, functional is usually contrasted with organic and often carries the …

1. Background Bodily symptoms not attributable to any known medical condition are very
common in the general population and in any medical setting [1]. The severity of such …

The term functional somatic syndrome has been applied to several related syndromes
characterized more by symptoms, suffering, and disability than by consistently demonstrable …

The functional somatic symptom is a disorder that is prevalent in diverse patient populations.
It is a heterogeneous disorder composed of a number of separate but often overlapping …

Background Functional somatic symptoms and disorders are common and complex
phenomena involving both bodily and brain processes. They pose major challenges across …

Objective: To review the evidence for overlap in the phenomenology of the Functional
Somatic Syndromes (FSS). The FSS show considerable comorbidity, leading some to …

Objectives Functional somatic syndromes are common and disabling conditions that all
include chronic pain, and which may be related to central nervous system sensitisation …

BACKGROUND: In order to clarify the classification of physical complaints not attributable to
verifiable, conventionally defined diseases, a new diagnosis of bodily distress syndrome …

Get up-to-date with this invaluable guidebook! The four major functional disorders--chronic
fatigue syndrome, fibromyalgia, irritable bowel syndrome, and premenstrual syndrome …